From 1debe13da342ac30d905e12a9ca243e30cb61870 Mon Sep 17 00:00:00 2001
From: Doug Gilmore <doug.gilmore@imgtec.com>
Date: Wed, 28 Jan 2015 14:29:14 -0800
Subject: [PATCH] CPP guards in futex.cc should match guards in futex.ii.

---
 libstdc++-v3/src/c++11/futex.cc |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libstdc++-v3/src/c++11/futex.cc b/libstdc++-v3/src/c++11/futex.cc
index 1336779..5087483 100644
--- a/libstdc++-v3/src/c++11/futex.cc
+++ b/libstdc++-v3/src/c++11/futex.cc
@@ -23,6 +23,7 @@
 // <http://www.gnu.org/licenses/>.
 
 #include <bits/atomic_futex.h>
+#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
 #if defined(_GLIBCXX_HAVE_LINUX_FUTEX) && ATOMIC_INT_LOCK_FREE > 1
 #include <chrono>
 #include <climits>
@@ -93,4 +94,5 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   }
 
 }
-#endif
+#endif // _GLIBCXX_HAVE_LINUX_FUTEX && ATOMIC_INT_LOCK_FREE > 1
+#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
-- 
1.7.9.5